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Start at Saltersford Hall Farm and for 0.5km, its 8-14% for a bit.
Next, you hit Jenkin Chapel and you turn right. This bit is 2.3% and the easiest part. After this, it doesnt really go below 5%.
The next part is hard - it goes up quite quickly to 20% for a few short stretches, with 15% bits inbetween. The road is very narrow in parts.
Next, you hit a left turn which is where you need to up the power a bit to stay moving, but save energy for the next right turn which is 22%.
Finally, it levels out at about 18% before brutally ramping up to between 22.5%-24.6% for what seems like forever.
There is then a false flat which is actually about 5-8% up to the very top of the climb.